初一数学上册合并同类项及去括号专项练习题51.docx

1、初一数学上册合并同类项及去括号专项练习题51 1 1 (ab)(mn) 3(9ay)2(n7q) 3 7 (2b9) x9(98c) 11a2(8n5c) (7an)2(3b6c) 1 (166x)c 7(7c6ab5)3 1 1 (bc)(mn) 5(7bx)6(m2p) 5 7 (5b4) x6(96b) 18m3(3n6z) (6mn)7(9b8b) 6 (182x)z 5(6b6mn1)5 1 1 (bc)(pq) 5(7ay)4(n7p) 7 8 (3y8) y7(55b) 3a6(4n7c) (8an)2(3y8b) 1 (126y)c 2(6b2bc3)6 1 1 (bc)(mn

2、) 2(8ax)9(m2p) 2 9 (7m4) x4(65c) 10x8(2b7t) (7xb)7(8m2c) 1 (122x)t 7(5b9xy1)2 1 1 (yz)(st) 3(6bx)8(n6q) 4 3 (7a7) z5(18c) 17a6(5n3c) (8an)4(3a3c) 4 (24z)c 7(8d5mn4)5 1 1 (yz)(pq) 2(6by)7(m7p) 6 7 (3b1) y6(67b) 16a4(8y4c) (2ay)2(8b7b) 8 (22y)c 6(2d9xy7)7 1 1 (bc)(st) 5(8ax)2(n8p) 4 7 (6b6) z5(26b) 2x

3、9(7y6t) (8xy)7(7b4b) 1 (26z)t 8(8b3mn8)7 1 1 (xy)(mn) 2(6by)5(n8p) 6 2 (5a7) y9(83a) 17x5(9n5t) (5xn)9(7a4a) 3 (86y)t 2(8b9bc9)2 1 1 (ab)(pq) 5(6ax)2(m9p) 8 4 (8n1) z8(34c) 17x3(2y7c) (8xy)9(4n2c) 3 (124z)c 2(5c7ab1)4 1 1 (yz)(st) 3(7by)9(n7q) 8 6 (4n9) y6(77b) 4a6(7y8t) (6ay)3(3n9b) 1 (162y)t 9(3c3

4、mn8)2 1 1 (ab)(mn) 4(8ay)6(n6q) 5 2 (7m9) y7(29b) 3a6(3n2t) (5an)3(2m2b) 1 (82y)t 2(8b8mn8)2 1 1 (xy)(pq) 2(6bx)8(n9p) 8 6 (8b2) y7(63b) 8a4(8b3c) (4ab)6(4b2b) 1 (2010y)c 6(8b7bc9)5 1 1 (xy)(st) 5(9ay)3(n7q) 2 6 (8b4) z2(43a) 18x2(2y9z) (5xy)7(4b7a) 6 (104z)z 7(6a7mn4)5 1 1 (xy)(mn) 2(7ay)5(n3p) 9 4 (9y1) x3(89a) 7m5(6n2z) (7mn)7(2y8a) 5 (166x)z 7(5a4ab6)4 1 1 (ab)(st) 3(7bx)9(m7p) 2 9 (3a2) x7(74a) 14a5(9b9z) (7ab)6(9a7a) 1 (24x)z 8(9d8ab4)7